JP2006261681A5 - - Google Patents

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Publication number
JP2006261681A5
JP2006261681A5 JP2006075342A JP2006075342A JP2006261681A5 JP 2006261681 A5 JP2006261681 A5 JP 2006261681A5 JP 2006075342 A JP2006075342 A JP 2006075342A JP 2006075342 A JP2006075342 A JP 2006075342A JP 2006261681 A5 JP2006261681 A5 JP 2006261681A5
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JP
Japan
Prior art keywords
substrate
polysilicon
thin film
film transistor
cleaned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2006075342A
Other languages
Japanese (ja)
Other versions
JP2006261681A (en
Filing date
Publication date
Priority claimed from KR1020050022276A external-priority patent/KR20060100602A/en
Application filed filed Critical
Publication of JP2006261681A publication Critical patent/JP2006261681A/en
Publication of JP2006261681A5 publication Critical patent/JP2006261681A5/ja
Pending legal-status Critical Current

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Claims (10)

ポリシリコン結晶粒が形成された基板をローディングする段階と、
前記ポリシリコン結晶粒の間の結晶粒界から突出している結晶粒を化学的機械的研磨に
よって除去して研磨された基板を形成する段階と、
前記研磨された基板を洗浄して洗浄された基板を形成する段階と、
前記洗浄された基板をアンローディングする段階とを有することを特徴とするポリシリ
コン薄膜トランジスタ基板の製造方法。
Loading a substrate on which polysilicon grains are formed;
Removing the crystal grains protruding from the grain boundaries between the polysilicon crystal grains by chemical mechanical polishing to form a polished substrate;
Cleaning the polished substrate to form a cleaned substrate;
And unloading the cleaned substrate. A method of manufacturing a polysilicon thin film transistor substrate.
前記ポリシリコン結晶粒を除去して研磨された基板を形成する段階は、前記基板を研磨
パッドの表面に密着させた状態で前記研磨パッドを回転させる同時に前記基板と前記研磨
パッドとの間にスラリーを供給する段階を含み、
前記スラリーの研磨材は、アルミナ、シリカ、又はセリア(CeO )である、
ことを特徴とする請求項1に記載のポリシリコン薄膜トランジスタ基板の製造方法。
The step of forming the polished substrate by removing the polysilicon crystal grains is performed by rotating the polishing pad while the substrate is in close contact with the surface of the polishing pad, and at the same time, slurry between the substrate and the polishing pad. viewing including the step of providing the,
The slurry abrasive is alumina, silica, or ceria (CeO 2 ).
The method of manufacturing a polysilicon thin film transistor substrate according to claim 1.
前記研磨材の粒度範囲は、50nm〜200nmであることを特徴とする請求項2に記
載のポリシリコン薄膜トランジスタ基板の製造方法。
3. The method of manufacturing a polysilicon thin film transistor substrate according to claim 2 , wherein the abrasive has a particle size range of 50 nm to 200 nm.
前記洗浄された基板を形成する段階は、ブラシ洗浄、超音波洗浄、イソプロピルアルコ
ール洗浄又は超純水洗浄の少なくともいずれか一つで実施されることを特徴とする請求項
1に記載のポリシリコン薄膜トランジスタ基板の製造方法。
The polysilicon thin film transistor according to claim 1, wherein the step of forming the cleaned substrate is performed by at least one of brush cleaning, ultrasonic cleaning, isopropyl alcohol cleaning, and ultrapure water cleaning. A method for manufacturing a substrate.
前記ポリシリコン結晶粒は、前記基板上にポリシリコン層で形成され、
前記洗浄された基板をアンローディングする段階後に、前記ポリシリコン層をパターニ
ングして前記ポリシリコン薄膜トランジスタ基板の半導体層を形成する段階をさらに有す
ることを特徴とする請求項1に記載のポリシリコン薄膜トランジスタ基板の製造方法。
The polysilicon crystal grain is formed of a polysilicon layer on the substrate,
The polysilicon thin film transistor substrate of claim 1, further comprising a step of patterning the polysilicon layer to form a semiconductor layer of the polysilicon thin film transistor substrate after unloading the cleaned substrate. Manufacturing method.
ポリシリコン結晶粒が形成された基板をローディングする段階と、
前記ポリシリコン結晶粒の間の結晶粒界から突出している結晶粒を化学的機械的研磨に
よって除去して研磨された基板を形成する段階と、
前記研磨された基板を洗浄して洗浄された基板を形成する段階と、
前記洗浄された基板をアンローディングする段階とを有する方法によって製造されたポ
リシリコン薄膜トランジスタ基板より成ることを特徴とする液晶表示装置。
Loading a substrate on which polysilicon grains are formed;
Removing the crystal grains protruding from the grain boundaries between the polysilicon crystal grains by chemical mechanical polishing to form a polished substrate;
Cleaning the polished substrate to form a cleaned substrate;
And a polysilicon thin film transistor substrate manufactured by a method including unloading the cleaned substrate.
前記ポリシリコン結晶粒を除去して研磨された基板を形成する段階は、前記基板を研磨
パッドの表面に密着させた状態で前記研磨パッドを回転させる同時に前記基板と前記研磨
パッドとの間にスラリーを供給する段階を含むことを特徴とする請求項6に記載の液晶
表示装置。
The step of forming the polished substrate by removing the polysilicon crystal grains is performed by rotating the polishing pad while the substrate is in close contact with the surface of the polishing pad, and at the same time, slurry between the substrate and the polishing pad. The liquid crystal display device according to claim 6 , further comprising a step of supplying the liquid crystal.
前記ポリシリコン結晶粒は、前記基板上にポリシリコン層で形成され、
前記洗浄された基板をアンローディングする段階後に、前記ポリシリコン層をパターニ
ングして前記ポリシリコン薄膜トランジスタ基板の半導体層を形成する段階をさらに有す
ることを特徴とする請求項6に記載の液晶表示装置。
The polysilicon crystal grain is formed of a polysilicon layer on the substrate,
The liquid crystal display device of claim 6 , further comprising a step of patterning the polysilicon layer to form a semiconductor layer of the polysilicon thin film transistor substrate after unloading the cleaned substrate.
前記ポリシリコン結晶粒は、前記基板上にポリシリコン層で形成され、前記ポリシリコ
ン層は、前記突出している結晶粒を除去する間に実質的に平坦化されることを特徴とする
請求項6に記載の液晶表示装置。
The polysilicon crystal grain is formed of a polysilicon layer on the substrate, and the polysilicon layer is substantially planarized while removing the protruding crystal grain.
The liquid crystal display device according to claim 6 .
基板と、
前記基板上に形成されるポリシリコン層よりパターニングされて前記基板上に形成され
る半導体層とを有し、
前記ポリシリコン層は、突出しているポリシリコン結晶粒が除去されるように化学的機
械的研磨によって平坦化されることを特徴とする液晶表示装置。
A substrate,
A semiconductor layer formed on the substrate by patterning from a polysilicon layer formed on the substrate;
The liquid crystal display device according to claim 1, wherein the polysilicon layer is planarized by chemical mechanical polishing such that protruding polysilicon crystal grains are removed.
JP2006075342A 2005-03-17 2006-03-17 Method for manufacturing polysilicon thin film transistor substrate and liquid crystal display Pending JP2006261681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050022276A KR20060100602A (en) 2005-03-17 2005-03-17 Method for fabricating poly silicon thin film transistor and liquid crystal display comprising poly silicon thin film transistor fabricated by the same

Publications (2)

Publication Number Publication Date
JP2006261681A JP2006261681A (en) 2006-09-28
JP2006261681A5 true JP2006261681A5 (en) 2009-04-30

Family

ID=37010903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006075342A Pending JP2006261681A (en) 2005-03-17 2006-03-17 Method for manufacturing polysilicon thin film transistor substrate and liquid crystal display

Country Status (4)

Country Link
US (1) US20060211181A1 (en)
JP (1) JP2006261681A (en)
KR (1) KR20060100602A (en)
TW (1) TW200703658A (en)

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EP3046136A1 (en) 2010-12-10 2016-07-20 Teijin Limited Dispersion containing semiconductor particles
CN102800574A (en) * 2011-05-26 2012-11-28 中国科学院微电子研究所 Manufacturing method of polycrystalline silicon grid electrode
CN104205293B (en) 2012-03-30 2017-09-12 帝人株式会社 The manufacture method of semiconductor device
KR102313563B1 (en) * 2014-12-22 2021-10-18 주식회사 케이씨텍 Chemical mechanical polishing system capable of diverse polishing processes
KR102333209B1 (en) 2015-04-28 2021-12-01 삼성디스플레이 주식회사 Substrate polishing apparatus
KR102509260B1 (en) * 2015-11-20 2023-03-14 삼성디스플레이 주식회사 Polishing slurry for silicon, method of polishing polysilicon and method of manufacturing a thin film transistor substrate
KR102647695B1 (en) 2016-08-12 2024-03-14 삼성디스플레이 주식회사 Transistor array panel and manufactuing method thereof
KR102559647B1 (en) 2016-08-12 2023-07-25 삼성디스플레이 주식회사 Substrate polishing system and substrate polishing method
KR102322767B1 (en) 2017-03-10 2021-11-08 삼성디스플레이 주식회사 Substrate treating apparatus providing improved detaching mechanism between the substrate and stage and the substrate treating method using the same
KR102420327B1 (en) 2017-06-13 2022-07-14 삼성디스플레이 주식회사 Thin film transistor array substrate and display device using the same, and method for manufacturing the same
KR102426624B1 (en) 2017-11-23 2022-07-28 삼성디스플레이 주식회사 Display device and manufacturing method of the same
JP7106209B2 (en) * 2018-04-05 2022-07-26 株式会社ディスコ SiC substrate polishing method
KR20210116775A (en) 2020-03-13 2021-09-28 삼성디스플레이 주식회사 Display device and manufacturing method thereof

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JPH10200120A (en) * 1997-01-10 1998-07-31 Sharp Corp Manufacture of semiconductor device
JP2000040828A (en) * 1998-07-24 2000-02-08 Toshiba Corp Production method of thin film transistor
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US6431959B1 (en) * 1999-12-20 2002-08-13 Lam Research Corporation System and method of defect optimization for chemical mechanical planarization of polysilicon
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